Device for the production of compressed oxygen from liquid oxygen



Dec. 39, 1924. 1,521,385

A. MESSER DEVICE FOR THE PRODUCTION OF COMPRESSED OXYGEN FROM LIQUIDOXYGEN Filed Aug. 29, 1921 Patented Dec. 30,, I924 UNTE. STATES PATENT@FMQE,

ADQLF MESSER, 0F FRANKFORT-ON-THE-MAIN, GERMANY.

DEVICE FOR THE PRODUCTION OF COMPRESSED OXYGEN FROM LIQUID OXYGmI.

Serial No. 496,763.

(GRANTED UNDER THE PROVISIONS OF THE ACT OF MARCH 3, 1921, 41 STAT. L,1313.)

To all whom it may concern:

Be it known that I, ADOLF Mussnn, a. citizen of the German Republic,residing at Frankfort-on-tl1e-l\2ain, Germany, have invented certain newand useful Improvements in Devices for the Production of CompressedOxygen from Liquid Oxygen (for which I have filed an application inGermany, lllarch 26, 1919, Patent No. 337,942), of which the followingis a specification.

During the war plants for the production of liquid oxygen for blastingpurposes have been installed in numerous mines. These plants, which mustbe very simple, supply the oxygen only in liquid state and they do notcomprise an arrangement for the reevaporation of the liquefied oxygen.

In the same works compressed gaseous oxygen is used for autogenoussoldering and cutting in the working of the blast furnace for themelting away of the top holes, for rescue apparatuses and otherpurposes. The gaseous oxygen mustv either be produced in the works in aspecial plant for the production of gaseous oxygen or it must be gotfrom the outside.

In many cases the plant for the production of the liquid oxygen couldhave a greater output than the quantity of liquid oxygen which isrequired for blasting purposes. In such cases it is an inconveniencethat the oxygen cannot be compressed to be used for the above mentionedpurposes.

' This invention has for its object to obviate this inconvenience. Theliquid oxygen is first gasified in an evaporator through which it issucked from. the compressor. Only after the gasification the compressionis eifected in the compressor from where the compressed oxygen is forcedinto the steel bottles or other collecting vessels or into thedistributing conduits.

In order that the mvention ma be clearly understood, I shall proceed toescribe the same with reference to the plant which is diagrammaticallyshown b way of example on the only figure of t e accompanying drawing.

The vessel 1 insulated by vacuum contains the liquid oxygen'which has tobe transformed into compressed gaseous oxygen. The end 2 of a serpentinetube 3 dips into the vessel 1, the oxygen being sucked through thisserpentine tube by the compressor 4t. "\Vhen flowing through, theserpentine tube 3 which is surrounded by the warm atmospheric air, andwhich can eventually be further heated by previously heated air,electrically or in any other convenient manner in order to produce amore eilicacious evaporation, the liquid oxygen evaporates and arr vesin gaseous state at the suction Valve 5 of the compressor 4.

The gas is compressed in the compressor 4 and forced through thepressure valve 6 and through the conduit 7 into the steel bottle 8. Aspiral 9 can be inserted in the conduit 7 to produce agreatermovability.

The gaseous oxygen can be forced into a distributing conduit instead ofbeing forced into the steel bottles or to any other point where it is tobe used. For the serpentine tube 3 any other device for the eva orationof the oxygen could be substitute The method can be applied also inconnection with other liquefied gases.

I claim Device for producing compressed oxygen from liquid oxygencomprising incombination a receptacle for the liquid oxygen, acompressor, an evaporator consisting of a serpentine tube connected atone end with said receptacle and at the other end with said compressor,said serpentine tube being in heat exchanging contact with theatmosphere, and a discharge pipe at one end connected with thecompressor and at the other end adapted to be connected with a steelbottle to be filled;

In testimony whereof I affix my signature in presence of two witnesses.

ADOLF Masses.

Witnesses:

J osnrn TRABAND, BERNHARD Kim.

